Outcome of Patients with Pregnancy-Associated Breast Cancer Who Have Subsequent Pregnancies

Background After treatment of pregnancy-associated breast cancer (PABC), some women desire future pregnancy. While safety of pregnancy after breast cancer has been demonstrated, the same cannot be said about women with PABC. Objective The aim of this study was to describe the incidence and outcomes...

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Bibliographic Details
Published in:Annals of surgical oncology 2024-10, Vol.31 (11), p.7538-7546
Main Authors: Doll, Alissa, Lipsyc-Sharf, Marla, Sim, Myung Shin, Baker, Jennifer L., Kapoor, Nimmi S.
Format: Article
Language:English
Subjects:
Adult
Breast cancer
Breast Neoplasms - pathology
Breast Oncology
Female
Follow-Up Studies
Humans
Medicine
Medicine & Public Health
Oncology
Pregnancy
Pregnancy Complications, Neoplastic - epidemiology
Pregnancy Complications, Neoplastic - pathology
Pregnancy Outcome
Prognosis
Retrospective Studies
Surgery
Surgical Oncology
Survival
Survival Rate
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Summary:Background After treatment of pregnancy-associated breast cancer (PABC), some women desire future pregnancy. While safety of pregnancy after breast cancer has been demonstrated, the same cannot be said about women with PABC. Objective The aim of this study was to describe the incidence and outcomes of patients with PABC with subsequent pregnancies compared with those without another pregnancy. Methods A retrospective chart review identified patients diagnosed with breast cancer during pregnancy or within 5 years postpartum between 2011 and 2023. Patients were then screened for further pregnancy. Clinicopathologic variables, oncologic outcomes, and pregnancy outcomes were recorded. The Chi-square test and t-test were used to compare patients with subsequent pregnancy with those without. Kaplan–Meier method and log-rank test were used to estimate 5-year disease-free survival (DFS). Results Overall, 75 patients with PABC were identified, 58 of whom had PABC and no further pregnancies (NSP-PABC) and 17 with subsequent pregnancy (SP-PABC). Compared with patients with NSP-PABC, patients with SP-PABC were significantly younger ( p  = 0.015) and less likely to have prior pregnancies ( p  
ISSN:1068-9265
1534-4681
1534-4681
DOI:10.1245/s10434-024-15798-5